David F.

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Across
  1. 2. number a whole number and a fraction
  2. 3. a point that is used to show values less than one
  3. 7. the distance around a circle
  4. 8. angle a triangle that has one right angle of 90
  5. 9. property addition and multiplication can be done in any order
  6. 10. a flat closed figure made up of three or more line segments
Down
  1. 1. triangle when a triangle's sides are different lengths
  2. 4. lines lines that cross each other at one point
  3. 5. a math sentence that uses an equal sign to show that two values are the same
  4. 6. the number by which another number is divided